Enable Home Page tile by default for Chrome Home.

components/ntp_tiles/constants.cc

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "components/ntp_tiles/constants.h"
 
 #include "base/command_line.h"
 #include "base/feature_list.h"
 #include "components/ntp_tiles/switches.h"
 
 namespace ntp_tiles {
 
 const char kPopularSitesFieldTrialName[] = "NTPPopularSites";
 
 extern const base::Feature kPopularSitesBakedInContentFeature{
     "NTPPopularSitesBakedInContent", base::FEATURE_ENABLED_BY_DEFAULT};
 
 extern const base::Feature kNtpMostLikelyFaviconsFromServerFeature{
     "NTPMostLikelyFaviconsFromServer", base::FEATURE_DISABLED_BY_DEFAULT};
 
-extern const base::Feature kPinHomePageAsTileFeature{
-    "PinHomePageAsTile", base::FEATURE_DISABLED_BY_DEFAULT};
-
 bool AreNtpMostLikelyFaviconsFromServerEnabled() {
   // Check if the experimental flag is forced on or off.
   base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
   if (command_line->HasSwitch(
           switches::kEnableNtpMostLikelyFaviconsFromServer)) {
     return true;
   } else if (command_line->HasSwitch(
                  switches::kDisableNtpMostLikelyFaviconsFromServer)) {
     return false;
   }
 
   // Check if the finch experiment is turned on.
   return base::FeatureList::IsEnabled(kNtpMostLikelyFaviconsFromServerFeature);
 }
 
 }  // namespace ntp_tiles